UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = '4HJtxp2PrEC9Vmp8Bs/00k7hqZg7UNftSL3SNNCO+cg=' 
WHERE 
  key_id = '874b49af15b36caf8b615f5ef19db94f605fe32794163c36adaf1c1ed4847831' 
  AND (
    token = '4HJtxp2PrEC9Vmp8Bs/00k7hqZg7UNftSL3SNNCO+cg=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )